Extrinsic 45939-1

{
  "heartbeat": {
    "blockNumber": 45938,
    "sessionIndex": 765,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x245a30beb167d312d1fd536dd367a4f39fc246b96d21f4d57d18a92d0666471115e2407c7122d9ff4df3a87aa65591a34b8706e8092d650980d2f02ad9a9ae8f"
}